/Engine/Source/Runtime/Online/ICMP/Public/Icmp.h
Multiple pings can be issued concurrently and this function will ensure they're executed in turn in order not to mix ping replies from different nodes.
static void IcmpEcho ( const [FString](API\Runtime\Core\Containers\FString) & TargetAddress, float Timeout, FIcmpEchoResultCallback HandleResult )